service NISSAN 300ZX 1984 Z31 Steering System Workshop Manual

STEERING SYSTEM
I---
SECTION ST
CONTENTS
STEERING SYSTEM . . . ... ..
STEERING COLUMN . . . .... ..
POWER STEERING SYSTEM -Checking - . ..
POWER STEERING GEAR AND LINKAGE
POWER STEERING
OIL PUMP . .. ... ..
SERVICE DATA AND SPECIFICATIONS (S D S ) . . . . . . . .
SPECIAL SERVICE TOOLS . .. .. ..
Refer to section MA for:
CHECKING WHEEL ALIGNMENT
Toe-in
Front wheel turning angle
BASIC MECHANICAL SYSTEM
Checking drive belts
. ST- 2
ST- 4
.. ST- 6
. . ST- 8
ST-14
. .. .. ST-17
. . . ST-20

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
Turn of steering wheel (Lock to lock1
General Specifications
28
Steering gear type I [Power PR24S rteerlngl
I Collapsible
Column length L mm lcnl
Non4ilt type
Column lensth "L"
steermg column set
L = 478 7.4803 mm
SST207A
Tilt type Jumping UP
,' Tilt UP
L=4787-4803mml1885 1891 ~nl SSTZ08A at steering column Neutral position
Steering o~erall gear ratio I 17 1
Power steering fluid
Automatic transmission fluid "DEXRON type"
P IUS pt. Imp ptl ApProx 0 9 (1-718. 1-5/81
TVpe 1
Capacity
Normal operating temperature 60-80 (140.1761 "C (OF1
-Inspection and Adjustment-
GENERAL
Steering wheel axial play mm Im1 I 0 IO1
Steering wheel play mm (in1 I Less than 35 (1 38)
Power steering system Steering wheel turning force at
360* Position from Neutral
N lkg,Ibl
011 pump belt deflection
(Measured when engine 16 cold1 mm (in1198 N 110 kg.22 Ibl
Less than 39 2 14 0,8 81
New 10.13
(0 39.0 511 Used 13-16
I051 -0631 Limit 21 (0 831 -
Replace belt to new one
6.669.7257 kPa Ikglcm', PSI) I 168.74,967.1 p521
011 pump maximum pressure
011 pressure switch operation
Hydraulnc he pressure Operation kPa 1kglcm'. pro1 I
Increasing to 1,961 .2>42
l20.30,284 - 4271 Turn ON I
I TurnOFF I Decreasing to 981 .2,942 110-30.142-4271 I
ST-1 7

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
Tie-rod outer ball joint
Swinging torque N m (kgim. m4b)
- Inspection and Adjustment
(Cont'd)
0 29.2 94
I3 0.30,2 6.26
01 ~~~
Pinion gear
preload
(Ptnlon and rack gear assembly without
fluid1 N m Ikgcm, tn-lbl
Tie-rod inner ball joint 10-78 Swinging torque N m (kgem, in-lb) 110 - 80.8 7 .69 41
__~ ~
Less than 1 2 (12.10)
Axial Dlay mm (in) I 0 IO)
Rack stroke
Pinion
I' ? Pack
Rear housing
Tne-rod innel rocket Tie-rod inner socket
& .l
Unit mm Ion) linder end housina - ICyImder end hourmg sadel SST223A
Tie-rod standard length mm (In)
Inner rocket
8 Standard dimensnn L = 37 5 mm I1 476 ln) e When installing tie-rod or adjusting toe-in, be careful not Io twist boots Toe-in Refer to MA seCtion SST214A
1226- 1863
(12 5.19.276 -41.9) Rack stanmg force at steering center (Pinion and rack gear assembly without
fluid) N (kg. Ib)
Tightening Torque
STEERING COLUMN ~~~~
U"lt Nm kg-m ft-lb
Steering wheel nut 49-59 50-60 36-43
Steering column to
body 9 - 14 09-14 65-101
Hole cover to dash panel 3 .5 03-05 22-36
Columnlaintfixingbolt 32-38 33-39 24.28 (Lower joint, column set)
Jacket lower tube to
34-44 035-045 25-33 steering column clamp
STEERING GEAR & LINKAGE (PR-24s)
Unit Nm kg-m ft-lb
Tie-rod lock nut
Tie-rod inner socket to
rack (With sealant)
Cylinder end housmg
& pinion housmg lock nut
Rear housmg to pman
housing
Rear housing
cover lack
nut
Retainer lock nut
Cylinder tube flare nut
Gear & linkage mounting
Tie-rod
to knuckle arm
78 -98
78 -98
78 - 108
8-12
78.137
39 - 59
20
- 26
29-39
54 -98
80-100
80.100
80.110
08-1 2
80-140
40-60
20-27
30-40
55-100
58.72
58-72
58-80
58-87
Ea - 101
29 -43
14-20
22-29
40 - 72
OIL PUMP
U"lt Nm kg-m ft-lb
Mounting bracket to engine 14. 18
Engine sllnger mounting 14 - 18 bolt
011 pump to mounting 31 .42 bracket (Through bolt)
011 pump casing to 31 -42 rub bracket
Adlusting bar bracket
to 16.21 mounting bracket
Sub bracket to adjusting bar
16 - 21
Pulley lock nut 31 -42
Rear cover fixing bolt 38 - 52
Connector (Spool cover) 69 - 78
Suction piDe to easing 9-12
14-1 8
14-18
33-43
32-43
16-21
16-21
32-43
39-53
70-80
09-12
10-13
10
- 13
23 - 31
23 - 31
12-15
12-15
23.31
28-38
51
-58
65-87
ST-1 8

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
Tightening Torque (Cont'd)
HYDRAULIC LINE AND OIL PRESSURE
SWITCH
U"lt Nm kg-m ft-lb
Lowpressure pipe to 27-39 28-40 20-29
Steering gear
Highpressure pipe to
15-25 15-25 11-18
steering gear
H ig hprerw re pipe 49 - 69 50-70 36-51
connector bolt
(At
011 pump1
011 pressure switch 13.18 13-18 9-13
ST-19

SPECIAL SERVICE TOOLS
Tool number
(Kent-Moore
No )
ST27 180001
1525726)
HT72520000
(J25730-A)
ST27091000 lJ26357)
KV48101600
(J28818)
KV48101700
(528819)
KV48101800
(528820)
KV48102100
(J28817)
KV48103100
(534264)
Tool name
Unit application
X
Steering wheel puller
a join remover
Rear housing lock nut
wrench
Rear cover wrench
e X
I
Cylinder lock nut
wrench
X
I
X
Power steering stand
X
Rack packing installer
ST-20